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Available in 53 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-53" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">53 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%86%D9%87%D8%B1_%D8%A3%D9%88%D9%86%D9%88%D9%86" title="نهر أونون – Arabic" lang="ar" hreflang="ar" data-title="نهر أونون" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Onon_%C3%A7ay%C4%B1" title="Onon çayı – Azerbaijani" lang="az" hreflang="az" data-title="Onon çayı" data-language-autonym="Azərbaycanca" data-language-local-name="Azerbaijani" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-azb mw-list-item"><a href="https://azb.wikipedia.org/wiki/%D8%A7%D9%88%D9%86%D9%88%D9%86_%DA%86%D8%A7%DB%8C%DB%8C" title="اونون چایی – South Azerbaijani" lang="azb" hreflang="azb" data-title="اونون چایی" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%93%E0%A6%A8%E0%A6%A8_%E0%A6%A8%E0%A6%A6%E0%A7%80" title="ওনন নদী – Bangla" lang="bn" hreflang="bn" data-title="ওনন নদী" data-language-autonym="বাংলা" data-language-local-name="Bangla" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%90%D0%BD%D0%BE%D0%BD" title="Анон – Belarusian" lang="be" hreflang="be" data-title="Анон" data-language-autonym="Беларуская" data-language-local-name="Belarusian" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%9E%D0%BD%D0%BE%D0%BD" title="Онон – Bulgarian" lang="bg" hreflang="bg" data-title="Онон" data-language-autonym="Български" data-language-local-name="Bulgarian" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bxr mw-list-item"><a href="https://bxr.wikipedia.org/wiki/%D0%9E%D0%BD%D0%BE%D0%BD_%D0%B3%D0%BE%D0%BB" title="Онон гол – Russia Buriat" lang="bxr" hreflang="bxr" data-title="Онон гол" data-language-autonym="Буряад" data-language-local-name="Russia Buriat" class="interlanguage-link-target"><span>Буряад</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Onon" title="Onon – Catalan" lang="ca" hreflang="ca" data-title="Onon" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-ceb mw-list-item"><a href="https://ceb.wikipedia.org/wiki/Onon_(suba_sa_Rusya,_Zabaykal%27skiy_Kray)" title="Onon (suba sa Rusya, Zabaykal'skiy Kray) – Cebuano" lang="ceb" hreflang="ceb" data-title="Onon (suba sa Rusya, Zabaykal'skiy Kray)" data-language-autonym="Cebuano" data-language-local-name="Cebuano" class="interlanguage-link-target"><span>Cebuano</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Onon_gol" title="Onon gol – Czech" lang="cs" hreflang="cs" data-title="Onon gol" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Onon" title="Onon – Danish" lang="da" hreflang="da" data-title="Onon" data-language-autonym="Dansk" data-language-local-name="Danish" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Onon" title="Onon – German" lang="de" hreflang="de" data-title="Onon" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Onon" title="Onon – Estonian" lang="et" hreflang="et" data-title="Onon" data-language-autonym="Eesti" data-language-local-name="Estonian" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/R%C3%ADo_Onon" title="Río Onon – Spanish" lang="es" hreflang="es" data-title="Río Onon" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Onon" title="Onon – Esperanto" lang="eo" hreflang="eo" data-title="Onon" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%B1%D9%88%D8%AF_%D8%A7%D9%88%D9%86%D9%88%D9%86" title="رود اونون – Persian" lang="fa" hreflang="fa" data-title="رود اونون" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Onon" title="Onon – French" lang="fr" hreflang="fr" data-title="Onon" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%98%A4%EB%85%BC%EA%B0%95" title="오논강 – Korean" lang="ko" hreflang="ko" data-title="오논강" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%95%D5%B6%D5%B8%D5%B6" title="Օնոն – Armenian" lang="hy" hreflang="hy" data-title="Օնոն" data-language-autonym="Հայերեն" data-language-local-name="Armenian" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Onon" title="Onon – Croatian" lang="hr" hreflang="hr" data-title="Onon" data-language-autonym="Hrvatski" data-language-local-name="Croatian" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Sungai_Onon" title="Sungai Onon – Indonesian" lang="id" hreflang="id" data-title="Sungai Onon" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Onon" title="Onon – Italian" lang="it" hreflang="it" data-title="Onon" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%9D%E1%83%9C%E1%83%9D%E1%83%9C%E1%83%98" title="ონონი – Georgian" lang="ka" hreflang="ka" data-title="ონონი" data-language-autonym="ქართული" data-language-local-name="Georgian" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Onon" title="Onon – Latin" lang="la" hreflang="la" data-title="Onon" data-language-autonym="Latina" data-language-local-name="Latin" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Onona" title="Onona – Latvian" lang="lv" hreflang="lv" data-title="Onona" data-language-autonym="Latviešu" data-language-local-name="Latvian" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Ononas" title="Ononas – Lithuanian" lang="lt" hreflang="lt" data-title="Ononas" data-language-autonym="Lietuvių" data-language-local-name="Lithuanian" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Onon" title="Onon – Hungarian" lang="hu" hreflang="hu" data-title="Onon" data-language-autonym="Magyar" data-language-local-name="Hungarian" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%9E%D0%BD%D0%BE%D0%BD" title="Онон – Macedonian" lang="mk" hreflang="mk" data-title="Онон" data-language-autonym="Македонски" data-language-local-name="Macedonian" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-mr mw-list-item"><a href="https://mr.wikipedia.org/wiki/%E0%A4%93%E0%A4%A8%E0%A5%8B%E0%A4%A8_%E0%A4%A8%E0%A4%A6%E0%A5%80" title="ओनोन नदी – Marathi" lang="mr" hreflang="mr" data-title="ओनोन नदी" data-language-autonym="मराठी" data-language-local-name="Marathi" class="interlanguage-link-target"><span>मराठी</span></a></li><li class="interlanguage-link interwiki-arz mw-list-item"><a href="https://arz.wikipedia.org/wiki/%D9%86%D9%87%D8%B1_%D8%A7%D9%88%D9%86%D9%88%D9%86" title="نهر اونون – Egyptian Arabic" lang="arz" hreflang="arz" data-title="نهر اونون" data-language-autonym="مصرى" data-language-local-name="Egyptian Arabic" class="interlanguage-link-target"><span>مصرى</span></a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/%D0%9E%D0%BD%D0%BE%D0%BD_%D0%B3%D0%BE%D0%BB" title="Онон гол – Mongolian" lang="mn" hreflang="mn" data-title="Онон гол" data-language-autonym="Монгол" data-language-local-name="Mongolian" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Onon" title="Onon – Dutch" lang="nl" hreflang="nl" data-title="Onon" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%82%AA%E3%83%8E%E3%83%B3%E5%B7%9D" title="オノン川 – Japanese" lang="ja" hreflang="ja" data-title="オノン川" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Onon" title="Onon – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="Onon" data-language-autonym="Norsk bokmål" data-language-local-name="Norwegian Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Onon" title="Onon – Norwegian Nynorsk" lang="nn" hreflang="nn" data-title="Onon" data-language-autonym="Norsk nynorsk" data-language-local-name="Norwegian Nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Onon" title="Onon – Uzbek" lang="uz" hreflang="uz" data-title="Onon" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="Uzbek" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Onon" title="Onon – Polish" lang="pl" hreflang="pl" data-title="Onon" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Rio_Onon" title="Rio Onon – Portuguese" lang="pt" hreflang="pt" data-title="Rio Onon" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/R%C3%A2ul_Onon" title="Râul Onon – Romanian" lang="ro" hreflang="ro" data-title="Râul Onon" data-language-autonym="Română" data-language-local-name="Romanian" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9E%D0%BD%D0%BE%D0%BD" title="Онон – Russian" lang="ru" hreflang="ru" data-title="Онон" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Onon_(river)" title="Onon (river) – Simple English" lang="en-simple" hreflang="en-simple" data-title="Onon (river)" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Onon" title="Onon – Slovenian" lang="sl" hreflang="sl" data-title="Onon" data-language-autonym="Slovenščina" data-language-local-name="Slovenian" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%9E%D0%BD%D0%BE%D0%BD_(%D1%80%D0%B5%D0%BA%D0%B0)" title="Онон (река) – Serbian" lang="sr" hreflang="sr" data-title="Онон (река)" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Onon" title="Onon – Finnish" lang="fi" hreflang="fi" data-title="Onon" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Onon" title="Onon – Swedish" lang="sv" hreflang="sv" data-title="Onon" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%86%E0%AE%A9%E0%AE%A9%E0%AF%8D_%E0%AE%86%E0%AE%B1%E0%AF%81" title="ஆனன் ஆறு – Tamil" lang="ta" hreflang="ta" data-title="ஆனன் ஆறு" data-language-autonym="தமிழ்" data-language-local-name="Tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-tt mw-list-item"><a href="https://tt.wikipedia.org/wiki/%D0%9E%D0%BD%D0%BE%D0%BD" title="Онон – Tatar" lang="tt" hreflang="tt" data-title="Онон" data-language-autonym="Татарча / tatarça" data-language-local-name="Tatar" class="interlanguage-link-target"><span>Татарча / tatarça</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Onon_Nehri" title="Onon Nehri – Turkish" lang="tr" hreflang="tr" data-title="Onon Nehri" data-language-autonym="Türkçe" data-language-local-name="Turkish" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%9E%D0%BD%D0%BE%D0%BD" title="Онон – Ukrainian" lang="uk" hreflang="uk" data-title="Онон" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%D8%AF%D8%B1%DB%8C%D8%A7%D8%A6%DB%92_%D8%A2%D9%86%D9%88%D9%86" title="دریائے آنون – Urdu" lang="ur" hreflang="ur" data-title="دریائے آنون" data-language-autonym="اردو" data-language-local-name="Urdu" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/S%C3%B4ng_Onon" title="Sông Onon – Vietnamese" lang="vi" hreflang="vi" data-title="Sông Onon" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E9%84%82%E5%AB%A9%E6%B2%B3" title="鄂嫩河 – Wu" lang="wuu" hreflang="wuu" data-title="鄂嫩河" data-language-autonym="吴语" data-language-local-name="Wu" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E9%84%82%E5%AB%A9%E6%B2%B3" title="鄂嫩河 – Chinese" lang="zh" hreflang="zh" data-title="鄂嫩河" data-language-autonym="中文" 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data-mw-deduplicate="TemplateStyles:r1156832818">.mw-parser-output .geo-default,.mw-parser-output .geo-dms,.mw-parser-output .geo-dec{display:inline}.mw-parser-output .geo-nondefault,.mw-parser-output .geo-multi-punct,.mw-parser-output .geo-inline-hidden{display:none}.mw-parser-output .longitude,.mw-parser-output .latitude{white-space:nowrap}</style><span class="plainlinks nourlexpansion"><a class="external text" href="https://geohack.toolforge.org/geohack.php?pagename=Onon_(river)&params=51_42_21_N_115_50_40_E_region:RU-ZAB_type:waterbody_source:kolossus-dewiki"><span class="geo-default"><span class="geo-dms" title="Maps, aerial photos, and other data for this location"><span class="latitude">51°42′21″N</span> <span class="longitude">115°50′40″E</span></span></span><span class="geo-multi-punct"> / </span><span class="geo-nondefault"><span class="geo-dec" title="Maps, aerial photos, and other data for this location">51.70583°N 115.84444°E</span><span style="display:none"> / <span class="geo">51.70583; 115.84444</span></span></span></a></span></span></div></div> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"><span class="mw-redirectedfrom">(Redirected from <a href="/w/index.php?title=Onon_River&redirect=no" class="mw-redirect" title="Onon River">Onon River</a>)</span></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">River in Mongolia and Russia</div> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">This article is about the river in Mongolia and Russia. For other uses, see <a href="/wiki/Onon_(disambiguation)" class="mw-redirect mw-disambig" title="Onon (disambiguation)">Onon (disambiguation)</a>.</div> <style data-mw-deduplicate="TemplateStyles:r1251242444">.mw-parser-output .ambox{border:1px solid #a2a9b1;border-left:10px solid #36c;background-color:#fbfbfb;box-sizing:border-box}.mw-parser-output .ambox+link+.ambox,.mw-parser-output .ambox+link+style+.ambox,.mw-parser-output .ambox+link+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+style+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+link+.ambox{margin-top:-1px}html body.mediawiki .mw-parser-output .ambox.mbox-small-left{margin:4px 1em 4px 0;overflow:hidden;width:238px;border-collapse:collapse;font-size:88%;line-height:1.25em}.mw-parser-output .ambox-speedy{border-left:10px solid #b32424;background-color:#fee7e6}.mw-parser-output .ambox-delete{border-left:10px solid #b32424}.mw-parser-output .ambox-content{border-left:10px solid #f28500}.mw-parser-output .ambox-style{border-left:10px solid #fc3}.mw-parser-output .ambox-move{border-left:10px solid #9932cc}.mw-parser-output .ambox-protection{border-left:10px solid #a2a9b1}.mw-parser-output .ambox .mbox-text{border:none;padding:0.25em 0.5em;width:100%}.mw-parser-output .ambox .mbox-image{border:none;padding:2px 0 2px 0.5em;text-align:center}.mw-parser-output .ambox .mbox-imageright{border:none;padding:2px 0.5em 2px 0;text-align:center}.mw-parser-output .ambox .mbox-empty-cell{border:none;padding:0;width:1px}.mw-parser-output .ambox .mbox-image-div{width:52px}@media(min-width:720px){.mw-parser-output .ambox{margin:0 10%}}@media print{body.ns-0 .mw-parser-output .ambox{display:none!important}}</style><table class="box-More_citations_needed plainlinks metadata ambox ambox-content ambox-Refimprove" role="presentation"><tbody><tr><td class="mbox-image"><div class="mbox-image-div"><span typeof="mw:File"><a href="/wiki/File:Question_book-new.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/50px-Question_book-new.svg.png" decoding="async" width="50" height="39" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/75px-Question_book-new.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/100px-Question_book-new.svg.png 2x" data-file-width="512" data-file-height="399" /></a></span></div></td><td class="mbox-text"><div class="mbox-text-span">This article <b>needs additional citations for <a href="/wiki/Wikipedia:Verifiability" title="Wikipedia:Verifiability">verification</a></b>.<span class="hide-when-compact"> Please help <a href="/wiki/Special:EditPage/Onon_(river)" title="Special:EditPage/Onon (river)">improve this article</a> by <a href="/wiki/Help:Referencing_for_beginners" title="Help:Referencing for beginners">adding citations to reliable sources</a>. Unsourced material may be challenged and removed.<br /><small><span class="plainlinks"><i>Find sources:</i> <a rel="nofollow" class="external text" href="https://www.google.com/search?as_eq=wikipedia&q=%22Onon%22+river">"Onon" river</a> – <a rel="nofollow" class="external text" href="https://www.google.com/search?tbm=nws&q=%22Onon%22+river+-wikipedia&tbs=ar:1">news</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.google.com/search?&q=%22Onon%22+river&tbs=bkt:s&tbm=bks">newspapers</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.google.com/search?tbs=bks:1&q=%22Onon%22+river+-wikipedia">books</a> <b>·</b> <a rel="nofollow" class="external text" href="https://scholar.google.com/scholar?q=%22Onon%22+river">scholar</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.jstor.org/action/doBasicSearch?Query=%22Onon%22+river&acc=on&wc=on">JSTOR</a></span></small></span> <span class="date-container"><i>(<span class="date">June 2020</span>)</i></span><span class="hide-when-compact"><i> (<small><a href="/wiki/Help:Maintenance_template_removal" title="Help:Maintenance template removal">Learn how and when to remove this message</a></small>)</i></span></div></td></tr></tbody></table> <style data-mw-deduplicate="TemplateStyles:r1257001546">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox"><tbody><tr><th colspan="2" class="infobox-above" style="background-color: #CEDEFF;color: #202122;">Onon<br /><div class="nickname" style="display:inline;font-size:78%">Onon gol</div></th></tr><tr><td colspan="2" class="infobox-image"><span typeof="mw:File"><a href="/wiki/File:OnonRiver.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/9/90/OnonRiver.jpg/250px-OnonRiver.jpg" decoding="async" width="250" height="106" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/90/OnonRiver.jpg/375px-OnonRiver.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/90/OnonRiver.jpg/500px-OnonRiver.jpg 2x" data-file-width="2103" data-file-height="894" /></a></span><div class="infobox-caption">In <a href="/wiki/Khentii_Province" title="Khentii Province">Khentii Province</a></div></td></tr><tr><td colspan="2" class="infobox-image"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:Amurrivermap.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Amurrivermap.png/250px-Amurrivermap.png" decoding="async" width="220" height="173" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Amurrivermap.png/330px-Amurrivermap.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Amurrivermap.png/500px-Amurrivermap.png 2x" data-file-width="989" data-file-height="779" /></a></span><div class="infobox-caption">The Onon joins the Shilka which joins the Amur</div></td></tr><tr><td colspan="2" class="infobox-image"><a class="mw-kartographer-map notheme mw-kartographer-container center" style="width: 250px; height: 200px;" data-mw-kartographer="mapframe" data-style="osm-intl" data-width="250" data-height="200" data-zoom="5" data-overlays="["_6d5902e5b1b9d6bd08f74da8d7db60e23b1b4599"]"><img src="https://maps.wikimedia.org/img/osm-intl,5,a,a,250x200.png?lang=en&domain=en.wikipedia.org&title=Onon_%28river%29&revid=1279514052&groups=_6d5902e5b1b9d6bd08f74da8d7db60e23b1b4599" width="250" height="200" decoding="async" srcset="https://maps.wikimedia.org/img/osm-intl,5,a,a,250x200@2x.png?lang=en&domain=en.wikipedia.org&title=Onon_%28river%29&revid=1279514052&groups=_6d5902e5b1b9d6bd08f74da8d7db60e23b1b4599 2x" alt="Map" /></a></td></tr><tr><th scope="row" class="infobox-label">Nickname(s)</th><td class="infobox-data nickname">Queen Mother Onon</td></tr><tr><th scope="row" class="infobox-label">Native name</th><td class="infobox-data nickname"><span title="Mongolian-language text"><span lang="mn">Онон гол</span></span> <span class="languageicon" style="font-size:100%; font-weight:normal">(<a href="/wiki/Mongolian_language" title="Mongolian language">Mongolian</a>)</span></td></tr><tr><th colspan="2" class="infobox-header" style="background-color: #CEDEFF;color: #202122;">Location</th></tr><tr style="padding: 0 0.6em 0.2em 0.6em;line-height: 1.2em;"><th scope="row" class="infobox-label">Country</th><td class="infobox-data"><a href="/wiki/Mongolia" title="Mongolia">Mongolia</a>, <a href="/wiki/Russia" title="Russia">Russia</a></td></tr><tr style="padding: 0 0.6em 0.2em 0.6em;line-height: 1.2em;"><th scope="row" class="infobox-label"><a href="/wiki/Aimags_of_Mongolia" class="mw-redirect" title="Aimags of Mongolia">Aimag</a></th><td class="infobox-data"><a href="/wiki/Khentii_Province" title="Khentii Province">Khentii</a></td></tr><tr><th colspan="2" class="infobox-header" style="background-color: #CEDEFF;color: #202122;">Physical characteristics</th></tr><tr style="display:none;"><td colspan="2" class="infobox-full-data"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1257001546" /></td></tr><tr><th scope="row" class="infobox-label">Source</th><td class="infobox-data">eastern <a href="/wiki/Khentii_Mountains" title="Khentii Mountains">Khentii Mountains</a></td></tr><tr style="padding: 0 0.6em 0.2em 0.6em;line-height: 1.2em;"><th scope="row" class="infobox-label"><span style="font-weight:normal"> • coordinates</span></th><td class="infobox-data"><span class="geo-inline"><style data-mw-deduplicate="TemplateStyles:r1156832818">.mw-parser-output .geo-default,.mw-parser-output .geo-dms,.mw-parser-output .geo-dec{display:inline}.mw-parser-output .geo-nondefault,.mw-parser-output .geo-multi-punct,.mw-parser-output .geo-inline-hidden{display:none}.mw-parser-output .longitude,.mw-parser-output .latitude{white-space:nowrap}</style><span class="plainlinks nourlexpansion"><a class="external text" href="https://geohack.toolforge.org/geohack.php?pagename=Onon_(river)&params=48.8413_N_108.7883_E_region:MN_type:waterbody"><span class="geo-nondefault"><span class="geo-dms" title="Maps, aerial photos, and other data for this location"><span class="latitude">48°50′29″N</span> <span class="longitude">108°47′18″E</span></span></span><span class="geo-multi-punct"> / </span><span class="geo-default"><span class="geo-dec" title="Maps, aerial photos, and other data for this location">48.8413°N 108.7883°E</span><span style="display:none"> / <span class="geo">48.8413; 108.7883</span></span></span></a></span></span></td></tr><tr style="display:none"><td colspan="2"> </td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/River_mouth" title="River mouth">Mouth</a></th><td class="infobox-data"><a href="/wiki/Shilka_(river)" title="Shilka (river)">Shilka</a></td></tr><tr style="padding: 0 0.6em 0.2em 0.6em;line-height: 1.2em;"><th scope="row" class="infobox-label"><div style="display:inline;font-weight:normal"> • coordinates</div></th><td class="infobox-data"><span class="geo-inline"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1156832818" /><span class="plainlinks nourlexpansion"><a class="external text" href="https://geohack.toolforge.org/geohack.php?pagename=Onon_(river)&params=51_42_21_N_115_50_40_E_region:RU-ZAB_type:waterbody_source:kolossus-dewiki"><span class="geo-default"><span class="geo-dms" title="Maps, aerial photos, and other data for this location"><span class="latitude">51°42′21″N</span> <span class="longitude">115°50′40″E</span></span></span><span class="geo-multi-punct"> / </span><span class="geo-nondefault"><span class="geo-dec" title="Maps, aerial photos, and other data for this location">51.70583°N 115.84444°E</span><span style="display:none"> / <span class="geo">51.70583; 115.84444</span></span></span></a></span></span></td></tr><tr style="padding: 0 0.6em 0.2em 0.6em;line-height: 1.2em;"><th scope="row" class="infobox-label">Length</th><td class="infobox-data">1,032 km (641 mi)</td></tr><tr><th scope="row" class="infobox-label">Basin size</th><td class="infobox-data">96,200 km<sup>2</sup> (37,100 sq mi)</td></tr><tr><th colspan="2" class="infobox-header" style="background-color: #CEDEFF;color: #202122;">Basin features</th></tr><tr><th scope="row" class="infobox-label">Progression</th><td class="infobox-data"><a href="/wiki/Shilka_(river)" title="Shilka (river)">Shilka</a>→ <a href="/wiki/Amur" title="Amur">Amur</a>→ <a href="/wiki/Sea_of_Okhotsk" title="Sea of Okhotsk">Sea of Okhotsk</a></td></tr></tbody></table> <p>The <b>Onon</b><sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>a<span class="cite-bracket">]</span></a></sup> is a <a href="/wiki/River" title="River">river</a> in <a href="/wiki/Mongolia" title="Mongolia">Mongolia</a> and <a href="/wiki/Russia" title="Russia">Russia</a>. It is 1,032 kilometres (641 mi) long, and has a <a href="/wiki/Drainage_basin" title="Drainage basin">drainage basin</a> of 96,200 square kilometres (37,100 sq mi).<sup id="cite_ref-bse_2-0" class="reference"><a href="#cite_note-bse-2"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Course">Course</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Onon_(river)&action=edit&section=1" title="Edit section: Course"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>It originates at the eastern slope of the <a href="/wiki/Khentii_Mountains" title="Khentii Mountains">Khentii Mountains</a>. For 298 km it flows within Mongolia, before entering the <a href="/wiki/Khentei-Daur_Highlands" title="Khentei-Daur Highlands">Khentei-Daur Highlands</a> region of the <a href="/wiki/Russian_Far_East" title="Russian Far East">Russian Far East</a> flowing along the <a href="/wiki/Stanovik_Range" title="Stanovik Range">Stanovik Range</a>. In its lower reaches it flows between the <a href="/w/index.php?title=Mogoytuy_Range&action=edit&redlink=1" class="new" title="Mogoytuy Range (page does not exist)">Mogoytuy</a> (Могойтуйский хребет) and the <a href="/w/index.php?title=Borshchovochny_Range&action=edit&redlink=1" class="new" title="Borshchovochny Range (page does not exist)">Borshchovochny</a> (Борщовочный хребет) mountain ranges. It joins with the <a href="/wiki/Ingoda_(river)" title="Ingoda (river)">Ingoda</a> to form the <a href="/wiki/Shilka_(river)" title="Shilka (river)">Shilka</a>.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> Its river valley forms the eastern limit of the <a href="/wiki/Khentei-Daur_Highlands" title="Khentei-Daur Highlands">Khentei-Daur Highlands</a>.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> Its main tributaries are the <a href="/w/index.php?title=Khurkhyn_Gol&action=edit&redlink=1" class="new" title="Khurkhyn Gol (page does not exist)">Khurkhyn Gol</a>, <a href="/wiki/Borzya_(river)" title="Borzya (river)">Borzya</a> and <a href="/w/index.php?title=Unda_(river)&action=edit&redlink=1" class="new" title="Unda (river) (page does not exist)">Unda</a> from the right, and the <a href="/w/index.php?title=Agutsa&action=edit&redlink=1" class="new" title="Agutsa (page does not exist)">Agutsa</a>, <a href="/w/index.php?title=Kyra_(river)&action=edit&redlink=1" class="new" title="Kyra (river) (page does not exist)">Kyra</a> and <a href="/wiki/Aga_(river)" title="Aga (river)">Aga</a> from the left.<sup id="cite_ref-bse_2-1" class="reference"><a href="#cite_note-bse-2"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p><p>The Onon—Shilka—<a href="/wiki/Amur" title="Amur">Amur</a> water system is one of the world's ten longest rivers, measuring 1,032 km + 560 km + 2,874 km. </p> <div class="mw-heading mw-heading2"><h2 id="In_history">In history</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Onon_(river)&action=edit&section=2" title="Edit section: In history"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Onon.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/0/0d/Onon.jpg/250px-Onon.jpg" decoding="async" width="200" height="150" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/0d/Onon.jpg/330px-Onon.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/0d/Onon.jpg/500px-Onon.jpg 2x" data-file-width="1280" data-file-height="960" /></a><figcaption>Upper Onon river, near Genghis Khan's alleged birthplace.</figcaption></figure> <p>The upper Onon is one of the areas that are claimed to be the place where <a href="/wiki/Genghis_Khan" title="Genghis Khan">Genghis Khan</a> was born and grew up. The seat of Genghis Khan was on the bank of river Onon. </p> <p><i><a href="/wiki/The_Secret_History_of_the_Mongols" class="mw-redirect" title="The Secret History of the Mongols">The Secret History of the Mongols</a></i> begins thus:<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (March 2025)">citation needed</span></a></i>]</sup> <style data-mw-deduplicate="TemplateStyles:r1244412712">.mw-parser-output .templatequote{overflow:hidden;margin:1em 0;padding:0 32px}.mw-parser-output .templatequotecite{line-height:1.5em;text-align:left;margin-top:0}@media(min-width:500px){.mw-parser-output .templatequotecite{padding-left:1.6em}}</style></p><blockquote class="templatequote"><p>"There came into the world a "Borte Chono" (blue-gray <a href="/wiki/Wolf" title="Wolf">wolf</a>) whose destiny was Heaven's will. His wife was a "Gua Maral" (beautiful fallow <a href="/wiki/List_of_animal_names" title="List of animal names">doe</a>). They traveled across the inland sea and when they were camped near the source of the Onon River in sight of <a href="/wiki/Burkhan_Khaldun" title="Burkhan Khaldun">Burkhan Khaldun</a>, their first son was born, named Bat Tsagaan."</p></blockquote> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Onon_(river)&action=edit&section=3" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/List_of_rivers_of_Mongolia" title="List of rivers of Mongolia">List of rivers of Mongolia</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Notes">Notes</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Onon_(river)&action=edit&section=4" title="Edit section: Notes"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist reflist-lower-alpha"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><div><ul><li><a href="/wiki/Buryat_language" title="Buryat language">Buryat</a> and <a href="/wiki/Mongolian_language" title="Mongolian language">Mongolian</a>: <span lang="mn">Онон гол</span>, <small><a href="/wiki/Romanization_of_Mongolian" class="mw-redirect" title="Romanization of Mongolian">romanized</a>: </small><span title="Mongolian-language romanization"><i lang="mn-Latn">Onon gol</i></span>, <style data-mw-deduplicate="TemplateStyles:r1177148991">.mw-parser-output .IPA-label-small{font-size:85%}.mw-parser-output .references .IPA-label-small,.mw-parser-output .infobox .IPA-label-small,.mw-parser-output .navbox .IPA-label-small{font-size:100%}</style><span class="IPA-label IPA-label-small">IPA:</span> <span class="IPA nowrap" lang="mn-Latn-fonipa"><a href="/wiki/Help:IPA/Mongolian" title="Help:IPA/Mongolian">[ɔ́nɞɴ‿ɢɜɬ]</a></span></li><li><a href="/wiki/Russian_language" title="Russian language">Russian</a>: <span lang="ru">Онон</span> <span class="IPA nowrap" lang="ru-Latn-fonipa"><a href="/wiki/Help:IPA/Russian" title="Help:IPA/Russian">[ɐˈnon]</a></span></li></ul></div></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Onon_(river)&action=edit&section=5" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239543626" /><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-bse-2"><span class="mw-cite-backlink">^ <a href="#cite_ref-bse_2-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-bse_2-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://bse.sci-lib.com/article084474.html">Онон</a>, <a href="/wiki/Great_Soviet_Encyclopedia" title="Great Soviet Encyclopedia">Great Soviet Encyclopedia</a></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="https://world-science.ru/en/article/view?id=33225">The nature and Environmental problems in transboundary territory of Russia and Mongolia</a></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://ez.chita.ru/encycl/concepts/?id=2581"><i>Khentey</i>, Small Encyclopedia of Transbaikalia</a></span> </li> </ol></div></div> <style data-mw-deduplicate="TemplateStyles:r1235681985">.mw-parser-output .side-box{margin:4px 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